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11112010220 = 22517317103099
BaseRepresentation
bin10100101100101001…
…11101000111101100
31001200102012121101002
422112110331013230
5140224133311340
65034344535432
7542236346153
oct122624750754
931612177332
1011112010220
114792492823
1221a1481578
1310811b499c
14775b0a59a
15450817715
hex29653d1ec

11112010220 has 48 divisors (see below), whose sum is σ = 24786064800. Its totient is φ = 4170107904.

The previous prime is 11112010213. The next prime is 11112010321. The reversal of 11112010220 is 2201021111.

It is a super-2 number, since 2×111120102202 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56231 + ... + 159329.

It is an arithmetic number, because the mean of its divisors is an integer number (516376350).

Almost surely, 211112010220 is an apocalyptic number.

11112010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11112010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12393032400).

11112010220 is an abundant number, since it is smaller than the sum of its proper divisors (13674054580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11112010220 is a wasteful number, since it uses less digits than its factorization.

11112010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103442 (or 103440 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11112010220 its reverse (2201021111), we get a palindrome (13313031331).

The spelling of 11112010220 in words is "eleven billion, one hundred twelve million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 317 340 634 1268 1585 3170 5389 6340 10778 21556 26945 53890 103099 107780 206198 412396 515495 1030990 1752683 2061980 3505366 7010732 8763415 17526830 32682383 35053660 65364766 130729532 163411915 326823830 555600511 653647660 1111201022 2222402044 2778002555 5556005110 11112010220